syndromic intellectual disability hereditary disease Kleefstra syndrome https://github.com/monarch-initiative/mondo/issues/5588 https://rarediseases.info.nih.gov/diseases/8672/kleefstra-syndrome https://www.malacards.org/card/kleefstra_syndrome chromosome 9Q34.3 deletion syndrome Kleefstra syndrome 9q34 deletion syndrome Orphanet:261494 9Q- syndrome UMLS:C4551771 OMIMPS:610253 MONDO:0012455 icd11.foundation:1997337437 9Q subtelomeric deletion syndrome 9q34.3 microdeletion syndrome A genetic disorder characterized by intellectual disability, childhood hypotonia, severe expressive speech delay and a distinctive facial appearance with a spectrum of additional clinical features. DOID:0080597 NORD:184097 MEDGEN:1684615 GARD:0008672 9q-syndrome NANDO:1200959 chromosome 9q deletion syndrome multiple congenital anomalies/dysmorphic syndrome-intellectual disability